Pain transmission can also be modulated many other levels in the brain along the pain pathways including the periaqueductal gray, thalamus, and the feedback pathways from the cerebral cortex back to the thalamus. Pain blockade at these brain locations is often mediated by neurohormones, especially those that bind to the opioid receptors (pain-blockade site).

Recently, acupuncture has been shown to increase the nitric oxide levels in treated regions, resulting in increased local blood circulation

Quite smoking
Acupuncture is not a panacea or a magic cure in the treatment of any addiction, including smoking. But, acupuncture is effective in making it easier to quit and remain smoke-free, or curbing your withdrawal symptoms from smoking cessation. If you are highly motivated and ready to quit, acupuncture can empower you to take control and begin a healthy and smoke-free life in different ways:
Acupuncture can help you relax, diverting stress that leads to smoking.
Acupuncture can balance your body, helping you detoxify after you quit smoking.
Acupuncture can significantly reduce nicotine cravings making it easy for you to stop smoking.